freeloader
🇺🇸
/ˈfriːləʊdər/
🇬🇧
/ˈfriːləʊdə(r)/
A person who takes advantage of others' generosity without offering anything in return, especially by not paying for services or goods.
I can't believe you let that freeloader stay at your place for a month without contributing to the bills.
我真不敢相信你讓那個吃白食的人在你家住一個月,還不分攤賬單。